For machines in service with insulating oils contaminated by PCBs, Sea Marconi has developed and patented the PCB dehalogenation service known as the CDP Process®, an integrated solution that uses:

• Oil Treatment Unit (DMU), designed and built entirely in-house

• Patented dehalogenation reagents

• exclusive and established operating procedures

The synergistic action of these three elements permits fluids and machines to be reclassified as "NO PCBs", while also restoring optimal conditions in line with sector standards and technical guidelines.

Sea Marconi has been a pioneer in this field since the first version of the CDP Process ® for decontaminating transformers and dehalogenating PCBs in transformer insulating oils was developed in 1982. The CDP Process® avoids the critical issues involved in changing the oil (which would have been contaminated by the PCB present in the residual oil with which the compressed cardboard insulation material is impregnated anyway), eliminating the costly and complex administrative procedures of collecting PCB waste and transporting it to authorised operators for disposal. The CDP Process® has a number of unique features, and ensures that PCB concentrations comply with the limits set by local laws or internal specifications: PCB < 50; < 25; < 10; <2 mg/>g, with a guarantee of 90 days. The procedure is carried out on site, in continuous, closed circuit mode, without emptying the transformer, even partially, and may even be carried out without interrupting the power supply to connected loads (On-Load). The CDP Process® is safe, and is carried out at low temperatures (80-100 ° C) with no risk of explosion or fire. The CDP Process® is classified as the best available technique- BAT for PCB decontamination of transformers in service and those at end of life (Italian Ministry of the Environment, Min. Decree 29/01/2007 - O.J. No. 133 of 07/06/2007)

Thanks to references from customers in all parts of the world, Sea Marconi has won several contracts organised international organisations in developing countries.